﻿<MudPopoverProvider />

<MudAutocomplete @bind-Value="_value" SearchFunc="@Search" Label="RequiredTest" Required="true"/>

@code
{
    public static string __description__ = "The Autocomplete should not show required-error initially. The first (empty) item should.";

    private string? _value;

    private readonly string[] _states =
    [
        string.Empty,
        "Alabama", "Alaska", "American Samoa", "Arizona",
        "Arkansas", "California", "Colorado", "Connecticut",
        "Delaware", "District of Columbia", "Federated States of Micronesia",
        "Florida", "Georgia", "Guam", "Hawaii", "Idaho",
        "Illinois", "Indiana", "Iowa", "Kansas", "Kentucky",
        "Louisiana", "Maine", "Marshall Islands", "Maryland",
        "Massachusetts", "Michigan", "Minnesota", "Mississippi",
        "Missouri", "Montana", "Nebraska", "Nevada",
        "New Hampshire", "New Jersey", "New Mexico", "New York",
        "North Carolina", "North Dakota", "Northern Mariana Islands", "Ohio",
        "Oklahoma", "Oregon", "Palau", "Pennsylvania", "Puerto Rico",
        "Rhode Island", "South Carolina", "South Dakota", "Tennessee",
        "Texas", "Utah", "Vermont", "Virgin Island", "Virginia",
        "Washington", "West Virginia", "Wisconsin", "Wyoming"
    ];

    private Task<IEnumerable<string?>> Search(string value, CancellationToken token)
    {
        var result = string.IsNullOrEmpty(value) ? _states : _states.Where(x => x.Contains(value, StringComparison.InvariantCultureIgnoreCase));

        return Task.FromResult<IEnumerable<string?>>(result);
    }
}
